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Control.com topic...
PLCs
Topic: PLCs and related questions.
from the Maintenance department...
Issue with a Siemens 331 AI card
Originally posted by Chris on 28 October, 2014 - 8:31 pm
Experiencing an issue with an output on an AI card. Have a valid analog signal from the field device to the remote I/O PLC, but nothing from there to the control PLC.
New Replies:
> The 4-20 mA signal from the Red Lion up to the AI card is also good. Does this mean that a...
I have 6 identical units using the 331 and only one of them has this problem. I suspected a common...
Measure the voltage to ground at the AI terminals. It sounds to me like the voltage is outside what...
Hello David, Thank you very much for the response and I apologize for the lack of information...
You haven't told us what kind of signal is coming from the level transmitter (presumably 4-20mA),...
Topic: PLCs and related questions.
from the Forum department...
Converting a HoneyWell PLC Program
Originally posted by marinus on 21 October, 2014 - 5:58 am
Convert a PLC Program from HoneyWell to Schneider Electric
New Replies:
I would ask if you have any paper copy of the program or the software to look at it online...
Topic: Human-Machine Interface and SCADA.
from the Instrumentation department...
E1063 Mirror Image View
Posted by ghate vinod on 30 October, 2014 - 12:04 pm
Messung/Mitsubishi HMI E1063 mirror view of graphics
Topic: Communications systems and equipment.
from the Forum department...
SLC500 Communications with Unitronics PLC
Originally posted by Rodger on 17 October, 2014 - 1:38 am
Setting up communications between a Unitronics PLC and SLC 500 PLC
New Replies:
I think the simplest thing to implement here would be Modbus. The Unitronics can be a Modbus master...
If there exist an option for interface between SLC500 and the new PLC with an Ethernet, it would be...
Topic: Communications systems and equipment.
from the ModbusTCP department...
PROSOFT MVI56-MNET Slave Response Time
Originally posted by Cris on 17 September, 2014 - 2:27 pm
PROSOFT MVI56-MNET communication response time and performance
New Replies:
I just tested this with Modscan32 and the MNET unit was replying as fast as Modscan32 could request...
Topic: PLCs and related questions.
from the Petroleum Refinery. department...
Analog Input Cards for Programmable Logic Controller.
Originally posted by Mr. Samar on 25 October, 2014 - 2:53 am
PLC card - High Channel density drawbacks.
New Replies:
Is the resolution the same on the 16 and 32? If so the 32 may react a little slower depending on...
Topic: Sensor technologies.
from the Forum department...
Flow Measurement Using Load Cells
Originally posted by Juan Pardo on 24 October, 2014 - 5:20 pm
Measuring the flow coming out of a vessel using only a load cell to control a valve.
New Replies:
That method (loss of weight, flow measurement) is not often used in automatic control. It...
Topic: PLCs and related questions.
from the Forum department...
Modicon and SoMachine Advice Needed
Originally posted by Curt Wuollet on 23 October, 2014 - 3:21 pm
Need to find a reasonable means of getting to know SoMachine.
New Replies:
If memory serves me, a M32X. But they were awful spendy to buy as a trainer. Regards cww...
I meant what process or is on the equipment. -- Bob http://ilbob.blogspot.com/...
That's what I'm asking. I haven't picked one yet. Regards cww...
what processor is it? -- Bob http://ilbob.blogspot.com/...
Topic: Continuous process industries, DCS questions.
from the Instrumentation department...
Instrument Control Loop
Originally posted by Waqar Ahmed on 26 June, 2014 - 3:18 am
Maintenance procedure of process control loop.
New Replies:
As posted by dave, something must have changed. Besides hardware (valve) problems, there could be a...
Topic: Motion control, servos, steppers, etc.
from the Technician in the wilderness department...
GE2000 Drive Fault
Posted by Jess on 24 October, 2014 - 9:06 pm
GE2000 Drive Aux Fault 4-Generic Pointable Fault.
Topic: Communications systems and equipment.
from the Confused Engineers department...
Allen-Bradley Ethernet to Fanuc CNC
Originally posted by David on 20 October, 2014 - 11:26 am
Communicating to Fanuc CNC controller from Allen-Bradley Compact Logix???
New Replies:
Yes I'm sorry. The CNC and the PLC both are using Ethernet/IP. I have only ever used Ethernet/IP to...
By Patrick Lansdorf on 21 October, 2014 - 2:43 am -
I think that you need to inform about what options that are available on the Fanuc CNC. I guess...
Topic: Continuous process industries, DCS questions.
from the Yokogawa Batch program download error department...
Yokogawa Batch Programming Download Error
Posted by ANWESHA on 21 October, 2014 - 7:56 am
Error while trying to download a recipe on the batch process of yokogawa centum cs3000 software. Error says - "BATCH AUTO DOWNLOAD ERROR Gr.01 01-0008 No.00 Code 5427".
Topic: PLCs and related questions.
from the Automation List department...
Connecting an Analog I/O Module to a Delta PLC
Originally posted by CauÍ on 15 October, 2014 - 4:10 pm
Having problems connecting an analog I/O module to my Delta PLC
New Replies:
> Should be the +I and Comm.... Please verify the voltage across this. > it should be 24V....
Should be the +I and Comm.... Please verify the voltage across this. it should be 24V. If yes...
The asterisk *2 on the DVP06XA-S wiring diagram means 'note 2', which says,"If input signal is...
The feedback from the transducer is current, 4-20mA in 24Vdc but in sink type. I already tested it...
The SMC ITV 2050-043BL4 is an I/P transducer. The digit '4' in the part number is for the...
So Let me get this straight. You have tested the valve with a 24 V signal varying the current...
Topic: PLCs and related questions.
from the no communications plc department...
No Communication with GE Fanuc 90-30
Originally posted by angel rangel on 16 October, 2014 - 9:17 am
does anybody have ever had troubles with communications with GE PLC Fanuc 90-30?
New Replies:
Verify that you have the correct cable, if the cable has an RS-485 to RS-232 adapter built into the...
Topic: Motion control, servos, steppers, etc.
from the struggling here... department...
Rotary Die Cutter Help
Posted by Jeremy Ross on 16 October, 2014 - 2:25 pm
Looking for help on an application.
Topic: PLCs and related questions.
from the little guidance please... department...
PLC Data Access Using OPC
Originally posted by Rodney Cox on 14 October, 2014 - 3:44 am
I need help finding resources to help me develop OPC data access to record data to my database. I'm an information systems student new to PLCs and cannot find the necessary resources.
New Replies:
We run the OSS project http://pvbrowser.org it includes an OPC XML-DA client based on libcsoap,...
If you don't intend to join the OPC Foundation to obtain the spec, you are likely looking at...
Most manufacturers of OPC Servers provide full functioning demos of their products. You can get...
Hello, Writing a client or server without the specification will be ... a challenge. ...
Topic: Human-Machine Interface and SCADA.
from the Engineering department...
HMI Communication with SIEMENS PLC
Originally posted by Ali Shakarami on 2 October, 2014 - 10:23 pm
Sending the signal value from GE HMI(CIMPLICITY) to other controler over MODBUS RTU
New Replies:
By Patrick Lansdorf on 16 October, 2014 - 2:39 am -
Hi, You will need to check what type of Siemens PLC it is. If it is S7-1200 or S7-1500, you...
Siemens developed Profibus and Profinet, but they are not patented. Actually GE (which is the...
Topic: PLCs and related questions.
from the Forum department...
MSTR TCP/IP Control Word Definitions
Originally posted by Jon Pope on 16 April, 2009 - 4:20 pm
clear definition on some of the control words used in setting up the MSTR function with TCP/IP
New Replies:
Hi I came across this post tryign to find answer to an issue using the same configuration u...
Topic: PLCs and related questions.
from the twido suite department...
PLC timed sequence
Originally posted by JustinDee on 1 October, 2014 - 7:49 am
is it possible to stop all TON TOFF timers?
New Replies:
Bin95, Such a scenario can occur when PLC has redundancy. Have faced similar scenario with...
>... start button is pressed the 5 timers start there off/on delays. > But if I put a...
Topic: PLCs and related questions.
from the Database Integration IT department...
S7 Communication with Libnodave Lib
Originally posted by Krishna on 14 October, 2014 - 9:30 am
Looking for a way to Access data from PLC - CPU S7 300 series DB to Our own VB.Net Application through libnodave Lib.
New Replies:
You need to be mapping signals from the s7 300 (Siemens) PLC to your software by using an OPC...
Topic: PLCs and related questions.
from the Forum department...
Contactless Card Reader and PLC
Originally posted by Amer on 26 September, 2014 - 3:30 am
How to connect contactless card reader to PLC?
New Replies:
Please describe, why are you trying to connect a card reader to a PLC....
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